Home / 81,629.04-122,446.24-22,464.48

Finding the Fourth Proportional to 81,629.04, 122,446.24 and 22,464.48

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Solution

The fourth proportional to 81,629.04, 122,446.24 and 22,464.48 is: 33,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,629.04 : 122,446.24 = 22,464.48 : x
  2. Step 2: Convert to fraction form
    81,629.04/122,446.24 = 22,464.48/x
  3. Step 3: Cross multiply
    81,629.04x = 122,446.24 × 22,464.48
  4. Step 4: Simplify right side
    81,629.04x = 2,750,691,109.56
  5. Step 5: Solve for x
    x = 2,750,691,109.56/81,629.04
  6. Step 6: Final answer
    x = 33,697.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.